Verilink DCSU 2911 (880-502647-001) Product Manual Bedienungsanleitung PDF herunterladen (Seite 35)

DCSU T1 Craft Interface

Verilink DCSU 2911 User Manual

3-13

Table 3-8 Diagnostics Menu Parameters

Command Description Options

Line Loopback (LLB): This option tests the network line from the far-

end node. With Line Loopbacks, incoming signals are looped around

and sent back toward the network. The service provider or far-end

node administrator can then determine if the network line is good.

1) DEACTIVATE

2) ACTIVATE

Payload Loopback (PLB): This option tests the CSU from the far-end

node. In this case, the data goes through the network line and the

DCSU framer before it is looped back toward the network.

1) DEACTIVATE

2) ACTIVATE

Local Loopback (RLB): This option tests all of the CSU. Also known as a

Repeater Loopback, the data sent from the data equipment passes

through the CSU up to the network interface and back to the

equipment without passing through the network line.

1) DEACTIVATE

2) ACTIVATE

DCSU

Framer

CPE

DCSU

Framer

CPE

DCS

Framer

CPE T1

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Verilink DCSU 2911 (880-502647-001) Product Manual Bedienungsanleitung Seite 35